Question 607541
Select a card. one card is selected at random from a deck of cards. Determine the probability that the card selected is 9, 5 or 7
.
Number of 9's in a deck: 4
Number of 5's in a deck: 4
Number of 7's in a deck: 4
                      -----
         sub-total:     12
.
Total number of cards in the deck: 52
.
probability:
12/52 = 3/13 = 0.231 = 23%